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Humboldt-Universität zu Berlin - Mathematisch-Naturwissen­schaft­liche Fakultät - Nanooptik

Humboldt-Universität zu Berlin | Mathematisch-Naturwissen­schaft­liche Fakultät | Institut für Physik | Nanooptik | Publications | Printed-circuit-board linear Paul trap for manipulating single nano- and microparticles

Heather Partner, Joachim Zoll, Alexander Kuhlicke, and Oliver Benson (2018)

Printed-circuit-board linear Paul trap for manipulating single nano- and microparticles

Review of Scientific Instruments, 89(8):083101.

Levitation of very small but macroscopic objects is a rapidly developing interrogation technique for nanooptics and optomechanics. Paul traps are one mechanism for levitation of charged particles, which enables interrogation of novel materials or optically active samples in a virtually interaction-free environment, providing a test-bed for completely new experiments. Elementary traps have already been demonstrated for nano- and microparticles as a proof-of-principle for such experiments. We present a linear, segmented Paul trap with a printed-circuit-board-based design for levitation of nano- and microparticles, as a step toward the more sophisticated tools needed for advanced experiments. We describe the trap design, construction, and characterization and address the challenging phenomena associated with such a system. This trap provides a step toward designing an ideal environment for studies using a variety of isolated particles to enable advances in areas including magnetometry, thermodynamics, and optomechanics.